Home / 417,954,490.86-576,777,566.43-229,785,986.46

Finding the Fourth Proportional to 417,954,490.86, 576,777,566.43 and 229,785,986.46

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Solution

The fourth proportional to 417,954,490.86, 576,777,566.43 and 229,785,986.46 is: 317,104,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,954,490.86 : 576,777,566.43 = 229,785,986.46 : x
  2. Step 2: Convert to fraction form
    417,954,490.86/576,777,566.43 = 229,785,986.46/x
  3. Step 3: Cross multiply
    417,954,490.86x = 576,777,566.43 × 229,785,986.46
  4. Step 4: Simplify right side
    417,954,490.86x = 132,535,402,070,115,728
  5. Step 5: Solve for x
    x = 132,535,402,070,115,728/417,954,490.86
  6. Step 6: Final answer
    x = 317,104,864.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.